package com.hxci.zhongjiahao.dao;

import com.hxci.zhongjiahao.pojo.Course;
import java.util.List;

public interface CourseMapper {
    List<Course> query(Course course);
    Integer del(String id);
    Integer save(Course course);
    Course queryBySno(String sno);
    List<Course> queryByTeacher(String teacher);
    Integer update(Course course);
    List<Course> queryAll();
    List<String> queryCategories();
    List<Course> queryByCategory(String category);
}